The Door into Summer

Soichiro Takakura

Matsushita Riko

Humanoid Robot

Shirashi Rin

Matsushita Kazuhito

Sato Taro

Sato Midori

Tsuboi Gota

Professor Toi

Young Soichiro Takakura

Matsushita Koichi

Insurance Company Employee

Lawyer

Doctor

Insurance Company Model

Humanoid Robot

Young Matsushita Riko

Young Tsuboi Gota

Gota's Father

Acting